Refitting Cylinder Head for V8 Engines 35, 39, and 42: Overhaul Guide
ENGINE
14
OVERHAUL
Cylinder head - refit
1. Clean cylinder block faces using a suitable
gasket removal spray and plastic scraper;
ensure that bolt holes in cylinder block are
clean and dry.
CAUTION: Do not use metal scraper or
machined surfaces may be damaged.
2. Engine numbers without suffix B: Thoroughly
clean threads of cylinder head bolts.
CAUTION: Cylinder head bolts fitted to
engines without suffix B added to serial
number are not interchangeable with
those fitted to engines with suffix B added to
serial number.
3. Fit cylinder head gasket with the word ’TOP’
uppermost.
NOTE: Gasket must be fitted dry.
CAUTION: Engines without suffix B have a
steel gasket whilst engines with suffix B
have a composite gasket. The two types of
gasket are not interchangeable and it is essential
to ensure that the correct type of gasket is fitted.
4. Carefully fit cylinder head and locate on
dowels.
Engine numbers without suffix B
NOTE: RH cylinder head illustrated
5. Lightly oil threads of cylinder head bolts.
6. Fit cylinder head bolts:
Long bolts: 1, 3 and 5.
Medium bolts: 2, 4, 6, 7, 8, 9, and 10.
Short bolts: 11, 12, 13 and 14.
7. Using sequence shown, progressively tighten
cylinder head bolts to:
Bolts 11 to 14 - Outer row - 60 Nm (44 lbf.ft)
Bolts 2, 4, 6, 8 and 10 - Centre row - 90 Nm
(66 lbf.ft)
Bolts 1, 3, 5, 7 and 9 - Inner row - 90 Nm (66
lbf.ft)
